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What is the Least Common Multiple of 43953 and 43971?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 43953 and 43971 is 644219121.

LCM(43953,43971) = 644219121

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Least Common Multiple of 43953 and 43971 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43953 and 43971, than apply into the LCM equation.

GCF(43953,43971) = 3
LCM(43953,43971) = ( 43953 × 43971) / 3
LCM(43953,43971) = 1932657363 / 3
LCM(43953,43971) = 644219121

Least Common Multiple (LCM) of 43953 and 43971 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43953 and 43971. First we will calculate the prime factors of 43953 and 43971.

Prime Factorization of 43953

Prime factors of 43953 are 3, 7, 13, 23. Prime factorization of 43953 in exponential form is:

43953 = 31 × 72 × 131 × 231

Prime Factorization of 43971

Prime factors of 43971 are 3, 14657. Prime factorization of 43971 in exponential form is:

43971 = 31 × 146571

Now multiplying the highest exponent prime factors to calculate the LCM of 43953 and 43971.

LCM(43953,43971) = 31 × 72 × 131 × 231 × 146571
LCM(43953,43971) = 644219121